Navarog, Demon Prince

Flying, trample, riot, menace, double strike
This creature can block up to two creatures.
{3}{b}{b/r}{r}{t}, Sacrifice a creature: Destroy target creature. Gain control of another target creature. Put a -1/-1 counter on Navarog, Demon Prince.
Kendra watched in horror as Gavin transformed into a huge black dragon and gobbled up Dougan.